Origin8 Revolvr OS Adapter BB30 Bottom Bracket 68/73mm x 42~42.1mm

Nylon fiber OS adapters are designed for use in frames with worn-out oversized bottom bracket shells. Replaces standard nylon fiber overmolds found on Origin8 Revolvr BB30 and PF30 outboard thread-together bottom brackets*. * Use BB30 OS adapters with Origin8 Revolvr BB30 outboard thread-together bottom brackets 211051 and 211052. * Use PF30 OS adapters with Origin8 Revolvr PF30 outboard thread-together bottom brackets 211053 and 211054. Requires a special installation/removal tool (J&B# 610817)